How We Cut Claude Code Session Overhead with...

If you use Claude Code with a heavily customized CLAUDE.md, every message you send carries that full file as context. Not just once at session start — on every turn. That matters more than most people realize. The Problem: Eager-Loading Everything The naive approach to building a multi-persona system in Claude Code is to define all your personas directly in CLAUDE.md. It feels clean — everything in one place, always available. The cost: if you have 23 specialist personas, each defined in 150-200